My blinker relay switch went out on my Audi A6 2002. 85,000 miles. Decided to look online and see if it was something I could fix myself instead of paying the dealer around $150. Ended up being pretty easy to do. This sounds like a common problem so I decided to document in case anyone else needs to do the same. Please feel free to ask any questions or if you have a better way of doing it

First – get the part. I just ordered it from a local parts store for around $80 dollars. You will need part number 4B0941509KB98

Next I put some masking tape along the face plate to protect it. Then lightly pried starting from lower right to lower left along the face place. Both the top and bottom of the plate each have three fasteners so move along the edge and don’t try to yank one side off…

Pry off face plate

Back of face plate

You need to get the relay out of the socket. I used a pliers and a nail with a small flat head. I put the nail in the slot right above the relay. I don’t show this in the picture but while I was pulling out with the pliers I used my left hand finger to apply pressure downwards on the nail so it would stay firmly on the top edge of the relay. It popped out no problem with a good amount of force…

Pull out blinker relay

Pull out using some force

Next you replace the blinker relay switch. You will see in the back where to depress and pull the unit out. Slide the new unit back in. It has grooves so there is only one way to slide it in (The right way). Then push the entire unit back into the slot and it will snap back into place.

Remove old blinker relay

Insert pins

Put the face place back on. This was actually a little tricky. I ended up pushing it back on starting with the left side but giving it pressure right to left so it was snug in the corner. After a couple tries I got it into place.

Finished with face plate back on

Hope that helps. This took about 20 minutes. Would probably take about 10 the second time around. Good luck.

[...] I have a couple pictures on my blog that might help as well. I used a flat head nail and pliers to remove the relay once you have the face plate off… Replacing the blinker relay switch on an Audi A6 2002t | blog.TheCherneys.com [...]

Sorry to put this here but there was an error on your Contact Me page.

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I saw that you were able to get your twitter status updated via classic ASP. I am kind of in the same boat.

My site http://caves.tampadiving.com allows users to report about a cave dive; that report used to be updated to Twitter (twitter.com/CaveConditions). However, since REST is now longer allowed, I am stuck.

Would you make your solution available? What would the cost be?

Best Regards!

Ray Burchard said,

Great article. The relay in my A6 is intermittent so it needs to be replaced.
Now I know the P/N and how to replace the switch.

Hey Mike, I’m not sure with the 2001. Does the dash looks the same? If so I would just pull it out and look at it… Hope you got it to work.

Lars, good luck and I agree. Plus its fun working on your Audi when you can…

Jono Bartle said,

Thanks Brian, great post. Having lost the indicators on my ’03 Allroad I thought it would be another expensive trip to the dealer. Googled the problem and found the Audi Forums and your posting. Took 3 minutes to remove fascia plate (no damage) and then 2 minutes to fit new part and replace fascia. GREAT JOB!

Gary V said,

I don’t know about the Audis but my 2000 VW had a recall on the blinker relay. It might be worth it to call the stealership and see if they have anything open for your VIN. At least you could get your $80 back (corporate will usually reimburse you eventually if you still have your receipt).